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Precautions For The Use Of A Wet Spray Machine

Feb 02, 2018

The normal use of the wet spray machine can not only greatly improve the efficiency of the construction, but also prolong the service life of the wet spray machine.

1, the driver of the wet spray machine must be a person who is cognizant of the technical training of the production enterprise of the wet spray machine, and the person is in charge of the wet spray machine, and it must not be replaced at will.

2.4 check the hopper, not to be mixed with iron, wrench, wire and other long foreign objects.

2.5 guide concrete mix to control the workability of concrete (the slump is controlled in 80mm - 150mm).

3. Precautions in the injection

3.1 check system wind pressure, less than 0.5Mp can not start

3.2, when we are ready to open the wind, we must contact with the spray hand, slowly open the main air valve, cause the jets to shake violently, and the injector will not be able to control.

3.3 to observe the pressure gauge and pressure gauge system work value changes, system pressure gauge value, said air compressor problems or pipeline damage; work pressure scale becomes larger, said flow concrete variation or pipe blockage; work pressure scale becomes smaller, said hopper has no concrete.

3.4 pay attention to observe the leakage of nine slurry holes under the rotor body, and the serious leakage of the slurry indicates that the piston has been worn.

3.5 supervision and promotion of material personnel, the demand for feeding speed should be uniform and moderate, always keep a certain storage of concrete in the hopper, so as to form the seal of the material column.

3.6 according to the position of the spray surface and the performance of the concrete, the dosage of the accelerator is properly adjusted.

Wet spray machine

4. After the end of the injection

After the 4.1 injection, the water is added to the hopper, the spray pipe is cleaned with clean water, and then the metering pump is cleaned with a metering pump.

4.2 open the press plate and hopper, rinse the concrete in the rotor cavity thoroughly, rinse the gas mixture bin, the variable diameter tube and the hopper, and then reset the pressure plate. When the plate and hopper are opened, it is necessary to pay attention to safety, slowly open and reset. Remember: when the hopper opens, you must not open a vibrating motor to prevent it.

4.3 the surface of concrete equipment thoroughly with water rinse clean, keep the slurry discharge hole flow, when flushing keep the water rushed into the electric control cabinet.